SAE-AISI M4 Steel vs. R60901 Alloy
SAE-AISI M4 steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is R60901 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 98 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 76 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 2150 | |
| 500 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 270 |
| Thermal Conductivity, W/m-K | 25 | |
| 17 |
| Thermal Expansion, µm/m-K | 12 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 6.6 |
| Embodied Water, L/kg | 110 | |
| 270 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 26 to 72 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 23 to 45 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 9.7 |
| Thermal Shock Resistance, points | 24 to 68 | |
| 58 to 67 |
Alloy Composition
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| Carbon (C), % | 1.3 to 1.4 | |
| 0 |
| Chromium (Cr), % | 3.8 to 4.8 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 75.9 to 81.4 | |
| 0 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 4.3 to 5.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.4 to 2.8 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.2 to 0.45 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 5.3 to 6.5 | |
| 0 |
| Vanadium (V), % | 3.8 to 4.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 96.8 to 97.5 |
| Residuals, % | 0 | |
| 0 to 0.29 |